Abstract
Geogrid reinforced stone column system was used in present research to check the effectiveness of the system in soft soils of Kathmandu Valley. The area consists of silty sand and clay of low plasticity and initial bearing capacity of 75 kPa. Geogrid layers are laid over granular backfill material and compaction was carried out. The results show that there is a significant increase in the bearing capacity and reduction in settlements. The results show that combination of stone column with geogrid reinforcement is an effective solution for ground improvement to reduce settlement, increase bearing capacity and strengthening mat foundation base.
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